Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

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Question 560365: 2(x+2y)-(x+3y)
Click here to see answer by kkasko(46) About Me 

Question 560631: Perform the indicated operation. Please show all of your work.
2/3 / 1/2

Click here to see answer by Maths68(1474) About Me 

Question 560626: Simplify. Please show all of your work.
44/48

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Question 561186: simplify
8/9 x 5/6 -1/6



2[5+2(7-4)]

Click here to see answer by rfer(16322) About Me 

Question 561689: -5a^2,a=2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 561681: Is y-m*x=b the same as y=mb+x?
Click here to see answer by richard1234(7193) About Me 
Question 561681: Is y-m*x=b the same as y=mb+x?
Click here to see answer by stanbon(75887) About Me 

Question 561822: 1. Half of a number
1b. the quotient of a number and 6
1c 8 less than a number
1d the sum of g and h
1e. the product of negative 4 and a number
1f.freddy bought g giraffes that cost $1500 each

Click here to see answer by Edwin McCravy(20060) About Me 

Question 562739: I am doing a worksheet in math , and one of the question's is asking me to evaluate ( 1/8 ) to the exponent negative 1/3 ?
Click here to see answer by mananth(16946) About Me 

Question 562878: The difference of two numbers is 4. 5 times the smaller number is four more than three times the larger. Find the two numbers
Click here to see answer by Maths68(1474) About Me 

Question 563359: Let f(x)= 2x^2 -x +1 and g(x)= SQUARE ROOT OF(5-x).... Find and simplify each of the following:
1) g(-19)
2) g^-1(x)
3) (f o g)(4)
4) g^-1(1)

Click here to see answer by stanbon(75887) About Me 

Question 563371: How do you write mixed numbers as a percent?
What is 2 51/125 written as a percent

Click here to see answer by nicky429(3) About Me 

Question 563893: i have this question 3a5 x(multiply) 5a3
---------------------
10A4 I HAVE TO WRITE IT IN SINGLE TERM IN INDEX FROM

Click here to see answer by mananth(16946) About Me 

Question 564939: how do i solve k(k-3)=28
Click here to see answer by issacodegard(60) About Me 

Question 565038: How do I write an expression for the perimeter of a rectangle with its width 6x+5 and length 3x
Click here to see answer by stanbon(75887) About Me 

Question 565036: How do I write an expression for the perimeter of a rectangle with its width 6x+5 and length 3x
Click here to see answer by ad_alta(240) About Me 

Question 565285: evaluate 7xy if x=2 and y=3
Click here to see answer by kingme18(98) About Me 

Question 565860: Evaluate the expression. -[-22]?
Click here to see answer by ad_alta(240) About Me 

Question 566547: 28(y-1/7)=
Click here to see answer by rfer(16322) About Me 

Question 567497: P=5n+5w
Click here to see answer by nyc_function(2741) About Me 

Question 567810: 8s+4t+11s
Click here to see answer by jim_thompson5910(35256) About Me 

Question 567702: the total of 3 times the smaller and twice the larger is 27
3 (12-n) + 2n = 27
the smaller
and larger numbers?

Click here to see answer by jim_thompson5910(35256) About Me 

Question 567161: a refrigerator repairman charges $50.00 per service call and $25.00 per hour to repair the appliance what is the equation
Click here to see answer by jim_thompson5910(35256) About Me 

Question 568397: (4y^2-5y)+(3y-7y^2)-(2y^2+6y-5)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 568484: 5
- x = -3+x
6

Click here to see answer by jim_thompson5910(35256) About Me 

Question 568984: pretty sure i'm in the wrong place, but couldn't find a subject to suit
find derivatives of y=x^2-3x+1/x

Click here to see answer by Theo(13342) About Me 

Question 569067: can you help me with this binomial 3w(12w-1)-8w
Click here to see answer by jim_thompson5910(35256) About Me 

Question 568788: 4w^3/28w^2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 569625: 3x/5 -6=x
Click here to see answer by JBarnum(2146) About Me 

Question 570184: 33+1/14+1/2+1/42
Click here to see answer by JBarnum(2146) About Me 

Question 571650: Select the best expression to describe the change in temperature from -5 degrees to 45 degrees.
a. -5-(45)
b. 45-5
c. 45-(-5)
d. none of these
please show how you came up with the answer

Click here to see answer by Alan3354(69443) About Me 

Question 572447: A train runs x miles an hour and an automobile (x-y) miles an hour. How much longer will it take the automobile to run s miles than the train?
note. this is from an Algebraic Representation Exercises Algebra I High School 10th Grade

Click here to see answer by josmiceli(19441) About Me 

Question 573105: ok here it is 5{[5(m-4)+17]-[2(5m-2)+4]}
Click here to see answer by Alan3354(69443) About Me 

Question 574135: Could someone please help me with this problem? I came up with -272 but I don't know if that is right.
Evaluate p(a-2p^2)
When a= -2 p= -4

Click here to see answer by josmiceli(19441) About Me 

Question 574692: -2p+7=6-(7p+7)
-2p+7=6-7p+7
-2p+7=-1-7p
-2p+(7+1)=(-1-1)-7p
-2p+8=-7p
(-2p-2p)+8=-7p+2p
8=-5p
8/5=-5p/5p
1.6=p

Click here to see answer by solver91311(24713) About Me 

Question 575106: the admmission fee in a certain show is R5 for children and R12 for adults. on a certain day, 120 people attended the show and R1363 was collected. how many children and how many adults attended the show on this day
Click here to see answer by chana(69) About Me 

Question 575527: solve for x: 2(x/8+3)=x/4
Click here to see answer by unlockmath(1688) About Me 

Question 576342: hello

Click here to see answer by solver91311(24713) About Me 

Question 576630: Value of the expression:
4|3-2*6|-3^2

Click here to see answer by jim_thompson5910(35256) About Me 

Question 576838: simplify the expression: 7d-5c-d
Click here to see answer by jim_thompson5910(35256) About Me 

Question 574722: How do I solve this problem? (x+3)(y+6)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 574482: Use multiplying by 1 to find an expression equivalent to 19/10 with a denominator of 60c.
Click here to see answer by jim_thompson5910(35256) About Me 

Question 577332: solve -9-12(2-3y)=-25-2(y+6)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 577536: what is the answer to x^2+8x+15?

Click here to see answer by jim_thompson5910(35256) About Me 

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